Results 21 to 30 of about 12,238,561 (265)

Underemployment in the productive and social structure of the province of Tungurahua – Ecuador

open access: yesRevista Eniac Pesquisa, 2020
This research seeks to explain the relationship between underemployment and the productive and social structure in the province of Tungurahua, during the period 2007-2017, where it is essential to consider the productive sectors of the local economy and ...
Mery Esperanza Ruiz   +2 more
doaj   +1 more source

The shared benefits of fallen fruits: A novel mechanism stabilizing a nursery pollination mutualism between Sambucus and kateretid beetles

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Understanding how cooperative interactions remain stable matters for biodiversity because many plants rely on specialist insects that can also impose reproductive costs. We studied the interaction between Sambucus sieboldiana and seed‐consuming Heterhelus beetles through detailed field observations and pollination experiments.
Suzu Kawashima   +3 more
wiley   +1 more source

Agricultural and environmental drivers of variation in the composition of food crops: A scoping review

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Agricultural management and environmental conditions influence the biochemical composition of food crops; however, the specific drivers of this variation remain insufficiently understood, despite their importance for climate change adaptation and human health.
Kat Morgan   +24 more
wiley   +1 more source

La estructura social de la vulnerabilidad

open access: yesRevista de la Sociedad Científica del Paraguay, 2022
La superposición de vulneraciones es un rasgo característico de la población infantil y adolescente, especialmente de las clases sociales desfavorecidas.
Luis Ortiz, Sergio Rojas, Kevin Goetz
doaj   +1 more source

Perspectives and behaviors surrounding planting practices in North America inform genetic conservation realities for American ginseng (Panax quinquefolius)

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
American ginseng is a shade‐obligate, North American medicinal plant that is widely traded and used internationally. To meet global demand, ginseng is cultivated in forest farms in the Appalachian region of the USA and field‐based artificial shade farms in two regions: Ontario, Canada and Wisconsin, USA. We conducted social research leveraging in‐depth
Rachel E. Palkovitz   +2 more
wiley   +1 more source

La estructura social provincial: Reflexiones sobre la geometría de la sociedad inspiradas en el Chaco [PDF]

open access: yes, 2018
Como concluyera Scott (2001:77) tras una vasta revisión de la literatura, aunque la estructura social constituye un elemento central de las ciencias sociales –y del análisis de las desigualdades­ no parece haber una noción clara de qué es y dónde se ...
Heredia, Mariana Laura   +1 more
core   +1 more source

Tecnología, sociedad y comunicación. Hacia un modelo integrado de los efectos y determinaciones de las tecnologías de la comunicación

open access: yesDoxa Comunicación, 2006
El objetivo del trabajo es diseñar una hipótesis que integre la mayor cantidad de niveles de interdependencia entre la tecnologı´a de la comunicación y la realidad social.
Luciano Elizalde
doaj   +1 more source

Racionalidad, disciplina social y estructura.

open access: yesRedes. Revista hispana para el análisis de redes sociales, 2004
En gran parte de su obra, James Coleman sigue la tradición weberiana para afirmar que la sociología contemporánea debe ante todo interesarse por el hecho de que vivimos en una sociedad organizacional en que los comportamientos están fuertemente regulados normativamente y racionalizados y en que las interdependencias entre actores son objeto de una ...
openaire   +5 more sources

Waves of range dynamics and gene flow characterize the biogeographic history of Litsea elongata, a dominant tree in East Asian evergreen broadleaved forests

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Evergreen broadleaved forests (EBLFs) represent an iconic vegetation type in subtropical montane East Asia, but they are experiencing intensifying anthropogenic pressure and increasing habitat fragmentation. Here, using a dominant and widespread tree species characteristic of East Asian EBLFs, we examine its phylogeographic history and evaluate what it
Sheng‐Yuan Qin   +7 more
wiley   +1 more source

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